Simple Circuit Experiment | Fun and easy

The aluminum foil is the conductive path that the battery energy follows to light up the bulb.

 

There are a couple of other ideas that you could do to change up the project a little bit and see what happens.

 

You could try a different size battery, stack a couple of batteries together or have the aluminum foil make contact with different things.Try to make more complex circuits. See how many light bulbs will light up with one 9 volt battery.

 

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